Do avian communities vary with season in highly urbanized Hong Kong?

Zhou, Dong; Chu, L.M.

doi:10.1676/13-097.1

Cited by 7 publications

(2 citation statements)

References 47 publications

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“…Consequently, seasonality does not seem to influence nestedness in our system. These results are consistent with the results of Seoane et al (2013), García-Quintas andParada (2014), Zhou et al (2014) and De la Hera (2019) who found no seasonality effects on nestedness structure of birds in isolated woodlots in Spain and birds of urban parks in Hong Kong and Spain. Our results, however, contradict the results of Murgui (2010) who found small but significant differences in nestedness structure and species-area relationships between seasons in urban parks in Spain.…”

Section: Fig 3 Comparación De Los Datos Observados Y Esperados Según El Modelo De Ubicación Aleatoria Para Aves Forestales Residentes En supporting

confidence: 93%

Nestedness structure of bird assemblages in a fragmented forest in Central Argentina: the role of selective extinction and colonization processes

Dardanelli

Bellis

2020

Anim. Biodiv. Conserv.

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Nestedness analysis constitutes an important tool to understand the processes that shape wildlife communities. It also allows a quick first evaluation of species extinction proneness in fragmented landscapes. Here, we tested whether avian assemblages in the fragmented Espinal forest exhibited nested subset patterns. Furthermore, we examined whether selective extinction or selective colonization are driving nested subset patterns. We studied avian assemblages in 13 forest fragments in central Argentina during breeding and non–breeding seasons. We completed partial Spearman rank correlations to explore the relationship between nestedness rank order and habitat patch variables and species life history traits related to species extinction proneness and colonization rate. Bird species showed strong nestedness patterns, both for the total incidence matrix and for forest fragments and species separately. Nestedness patterns were similar during the breeding and non–breeding seasons. The nested rank order of forest fragments correlated with area and distance to nearest fragment, both of which are patch characteristics known to increase the probabilities of species extinction. The nested rank order of species was correlated with the minimum area of species requirement, trophic guild, and range size, traits that are linked to extinction risk. Selective extinction processes rather than selective colonization appear to be driving nestedness patterns of bird assemblages in fragmented Espinal forest. The most effective way to preserve forest bird species in the Espinal forest seems to be by protecting the larger fragments of this relictual forest.

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Section: Fig 3 Comparación De Los Datos Observados Y Esperados Según El Modelo De Ubicación Aleatoria Para Aves Forestales Residentes En supporting

confidence: 93%

Nestedness structure of bird assemblages in a fragmented forest in Central Argentina: the role of selective extinction and colonization processes

Dardanelli

Bellis

2020

Anim. Biodiv. Conserv.

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“…In fact, the response of animal communities to environmental changes occurring both at local (e.g., changes in habitat quality) and landscape (e.g., habitat loss and fragmentation) scale can be often noticeable over long periods due to system inertia, which imperil the observation of short-time responses (Lindenmayer and Fischer 2013). While several studies have focused on the short-term variability of nestedness (e.g., Patterson 1990;Fernández-Juricic 2002;Bloch et al 2007;Murgui 2010;Seoane et al 2013;Zhou and Chu 2014;De la Hera 2019), very few studies have investigated the long-term variation in nestedness causality and results were divergent (Sebastián-González et al 2010).…”

Section: Introductionmentioning

confidence: 99%

Long-term dynamic of nestedness in bird assemblages inhabiting fragmented landscapes

et al. 2022

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Context Nestedness is a common pattern of species assemblages in fragmented landscapes. The spatial pattern and ecological drivers of nested communities have been widely explored, but few studies investigated their long-term variability. Objectives To investigate the variability of nestedness and species-specific fragment occupancy of forest birds in a fragmented landscape affected by environmental changes over 16 years. Methods Data were obtained from the Monitoring Program of Breeding Birds in Lombardy (northern Italy). For two study periods (1997–2001, 2013–2017), we tested for overall nestedness and for sites and species nestedness independently using the NODF metric. We tested for nestedness drivers (variable selection on multiple linear regression models) and evaluated the effect of species ecological traits on fragment occupancy changes (variable selection on multiple linear regression model). Results The community showed a significant nestedness driven by both selective extinction and selective colonization in both study periods. Sites nestedness was significant in the second study period only. Over 16 years the effect of distance from source areas was completely lost and only local isolation conditions drove selective colonization in the second study period. Between the two study periods, we discovered a general occupancy decrease of interior species and a significant occupancy increase of generalist species characterized by large size and large minimum area requirement. Conclusions Nestedness drivers of the investigated community significantly varied over time probably because of both environmental and demographic changes. Long-term studies are crucial to explore spatial pattern changes and to address management strategies for species conservation in fragmented landscapes.

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Bird Diversities and Their Responses to Urbanization in China

Chen

Wang

2017

Ecology and Conservation of Birds in Urban Environments

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Do avian communities vary with season in highly urbanized Hong Kong?

Cited by 7 publications

References 47 publications

Nestedness structure of bird assemblages in a fragmented forest in Central Argentina: the role of selective extinction and colonization processes

Nestedness structure of bird assemblages in a fragmented forest in Central Argentina: the role of selective extinction and colonization processes

Long-term dynamic of nestedness in bird assemblages inhabiting fragmented landscapes

Bird Diversities and Their Responses to Urbanization in China

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